1 /*
2  * Copyright 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <log/log.h>
20 #include <sys/syscall.h> /* Definition of SYS_* constants */
21 #include <unistd.h>
22 
23 #include <chrono>
24 #include <string>
25 
26 #include "build_timestamp.h"  // generated
27 
28 long long GetTimestampMs();
29 
30 // Internal to headless below
31 
32 extern int console_fd;
33 extern std::chrono::system_clock::time_point _prev;
34 
35 // Highlight the MAIN thread with text replacement
36 constexpr char _main[7 + 1] = "  MAIN ";
37 
38 #define STR(obj) (obj).ToString().c_str()
39 
40 #define ASSERT_LOG(condition, fmt, args...)                                 \
41   do {                                                                      \
42     if (!(condition)) {                                                     \
43       LOG_ALWAYS_FATAL("assertion '" #condition "' failed - " fmt, ##args); \
44     }                                                                       \
45   } while (false)
46 
47 #define LOG_CONSOLE(fmt, args...)                                              \
48   do {                                                                         \
49     ASSERT_LOG(console_fd != -1, "Console output fd has not been set");        \
50     /* Also log to Android logging via INFO level */                           \
51     ALOGI("%s:%d %s: " fmt, __FILE__, __LINE__, __func__, ##args);             \
52     auto _now = std::chrono::system_clock::now();                              \
53     auto _delta =                                                              \
54         std::chrono::duration_cast<std::chrono::microseconds>(_now - _prev);   \
55     _prev = _now;                                                              \
56     auto _now_us =                                                             \
57         std::chrono::time_point_cast<std::chrono::microseconds>(_now);         \
58     auto _now_t = std::chrono::system_clock::to_time_t(_now);                  \
59     /* YYYY-MM-DD_HH:MM:SS.ssssss is 26 byte long, plus 1 for null terminator  \
60      */                                                                        \
61     char _buf[26 + 1];                                                         \
62     auto l = std::strftime(_buf, sizeof(_buf), "%Y-%m-%d %H:%M:%S",            \
63                            std::localtime(&_now_t));                           \
64     snprintf(_buf + l, sizeof(_buf) - l, ".%06u",                              \
65              static_cast<unsigned int>(_now_us.time_since_epoch().count() %    \
66                                        1000000));                              \
67     /* pid max is 2^22 = 4194304 in 64-bit system, and 32768 by default, hence \
68      * 7 digits are needed most */                                             \
69     char _buf_thread[7 + 1];                                                   \
70     snprintf(_buf_thread, sizeof(_buf_thread), "%7ld", syscall(SYS_gettid));   \
71     dprintf(console_fd, "%s - [ %9.06f ] %7d %s %s : " fmt "\n", _buf,         \
72             _delta.count() / 1000000.0, static_cast<int>(getpid()),            \
73             (syscall(SYS_gettid) == static_cast<int>(getpid())) ? _main        \
74                                                                 : _buf_thread, \
75             LOG_TAG, ##args);                                                  \
76   } while (false)
77 
78 constexpr char kCompiledDateFormat[] = "%b %d %Y";
79 constexpr char kBuildDateFormat[] = "%Y-%m-%d";
80 
build_id()81 inline std::string build_id() {
82   return std::string(bluetooth::test::headless::kBuildTime);
83 }
84